| 释义 |
pyrrolidone Chem.|pɪˈrɒlɪdəʊn|
[ad. G. pyrrolidon (J. Tafel 1889, in Ber. d. Deut. Chem. Ges. XXII. 1861): see prec. and -one.]
Either of two isomeric mono-keto derivatives of pyrrolidine; esp. NH·(CH2)3·CO (2-pyrrolidone), a colourless crystalline solid with weakly basic properties; any substituted derivative of either isomer.
[1889Jrnl. Chem. Soc. LVI. 961 Methylpyrrolidone. ] Ibid. 1211 The first product..is very unstable, condensation immediately taking place, with formation of a derivative of pyrrolidone.1926H. G. Rule tr. J. Schmidt's Text-bk. Org. Chem. 517 The 2-keto-derivative of pyrrolidine is commonly known as ‘pyrrolidone’. Ibid. 520 Since succinimides are readily prepared in quantity, this process also renders the pyrrolidones easy of access. 1951I. L. Finar Org. Chem. I. xvi. 309 When reduced with sodium and ethanol, succinimide forms pyrrolidine,..and when reduced electrolytically, it forms pyrrolidone. Ibid. xxx. 617, 2-Pyrrolidone is the lactam..of γ-aminobutyric acid. 1975Gutsche & Pasto Fund. Org. Chem. xxvii. 817 The reaction between pyrrolidone and acetylene in the presence of potassium hydroxide to yield N-vinylpyrrolidone. |